public class methodTest {
    public static void main(String[] args) {
        //设计一个方法用于数组遍历，要求遍历的结果是在一行上。eg：[11,22,33,44,55]
        int[] arr = {11, 22, 33, 44, 55};
        printArr(arr);
    }

    public static void printArr(int[] arr) {

        System.out.print("[");
        for (int i = 0; i < arr.length; i++) {
            if (i == arr.length - 1)
            {
                System.out.print(arr[i]);
            }
            else
                System.out.print(arr[i] + ", ");
        }
        System.out.println("]");
    }
}